Sheridan John F

Director · Officer · TNDM

As of 2026-09-16, Sheridan John F has 66 Form 4 transactions on record across 1 company — 29 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $1.2MIndirect: $0$1.2Mas of 2026-09-16
  • Direct $1.2M
  • Indirect $0
TNDMdirect69,537 sh$1.2M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

TNDM · 66 trades
2026-08-15: Withheld for tax, 5,055 sh ($115K)2026-08-15: Withheld for tax, 3,044 sh ($69K)2026-08-15: Option exercise, 5,982 sh ($0)2026-08-15: Option exercise, 9,934 sh ($0)2026-08-15: Option exercise, 9,934 sh ($0)2026-08-15: Option exercise, 5,982 sh ($0)2026-05-29: Award / grant, 191,103 sh ($0)2026-05-15: Withheld for tax, 18,944 sh ($243K)2026-05-15: Withheld for tax, 3,044 sh ($39K)2026-05-15: Withheld for tax, 2,785 sh ($36K)2026-05-15: Award / grant, 1,336 sh ($15K)2026-05-15: Option exercise, 5,472 sh ($0)2026-05-15: Option exercise, 39,735 sh ($0)2026-05-15: Option exercise, 39,735 sh ($0)2026-05-15: Option exercise, 5,982 sh ($0)2026-05-15: Option exercise, 5,472 sh ($0)2026-05-15: Option exercise, 5,982 sh ($0)2026-02-17: Withheld for tax, 2,400 sh ($45K)2026-02-17: Withheld for tax, 1,963 sh ($37K)2026-02-17: Option exercise, 5,471 sh ($0)2026-02-17: Option exercise, 5,471 sh ($0)2026-02-17: Option exercise, 5,983 sh ($0)2026-02-17: Option exercise, 5,983 sh ($0)2025-11-17: Withheld for tax, 3,038 sh ($57K)2025-11-17: Withheld for tax, 2,779 sh ($52K)2025-11-17: Option exercise, 5,472 sh ($0)2025-11-17: Option exercise, 5,982 sh ($0)2025-11-17: Option exercise, 5,472 sh ($0)2025-11-17: Option exercise, 5,982 sh ($0)2025-08-15: Withheld for tax, 3,038 sh ($33K)2025-08-15: Withheld for tax, 2,779 sh ($30K)2025-08-15: Option exercise, 5,982 sh ($0)2025-08-15: Option exercise, 5,471 sh ($0)2025-08-15: Option exercise, 5,471 sh ($0)2025-08-15: Option exercise, 5,982 sh ($0)2025-08-11: Purchase, 10,000 sh ($102K)2025-05-30: Award / grant, 119,206 sh ($0)2025-05-30: Award / grant, 119,204 sh ($0)2025-05-15: Withheld for tax, 12,152 sh ($276K)2025-05-15: Option exercise, 5,472 sh ($124K)2025-05-15: Withheld for tax, 2,779 sh ($63K)2025-05-15: Withheld for tax, 1,136 sh ($26K)2025-05-15: Award / grant, 1,359 sh ($21K)2025-05-15: Withheld for tax, 403 sh ($9K)2025-05-15: Option exercise, 792 sh ($0)2025-05-15: Option exercise, 23,929 sh ($0)2025-05-15: Option exercise, 5,472 sh ($0)2025-05-15: Option exercise, 2,236 sh ($0)2025-05-15: Option exercise, 792 sh ($0)2025-05-15: Option exercise, 23,929 sh ($0)2025-05-15: Option exercise, 2,236 sh ($0)2025-02-25: Withheld for tax, 10,008 sh ($334K)2025-02-25: Withheld for tax, 3,419 sh ($114K)2025-02-25: Option exercise, 6,732 sh ($0)2025-02-25: Option exercise, 26,047 sh ($0)2025-02-25: Option exercise, 6,732 sh ($0)2025-02-25: Option exercise, 26,047 sh ($0)2025-02-18: Withheld for tax, 2,097 sh ($70K)2025-02-18: Withheld for tax, 801 sh ($27K)2025-02-18: Withheld for tax, 284 sh ($10K)2025-02-18: Option exercise, 5,472 sh ($0)2025-02-18: Option exercise, 2,237 sh ($0)2025-02-18: Option exercise, 2,237 sh ($0)2025-02-18: Option exercise, 793 sh ($0)2025-02-18: Option exercise, 5,472 sh ($0)2025-02-18: Option exercise, 793 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-08-11TNDMPurchase10,000 @ $10.23$102K+10.4% of holding106,327Form 4
65 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-15TNDMWithheld for tax5,055160,260Form 4
2026-08-15TNDMWithheld for tax3,044155,381Form 4
2026-08-15TNDMOption exercise5,982158,425Form 4
2026-08-15TNDMOption exercise9,934165,315Form 4
2026-08-15TNDMOption exercise9,93469,537Form 4
2026-08-15TNDMOption exercise5,98217,947Form 4
2026-05-29TNDMAward / grant191,103191,103Form 4
2026-05-15TNDMWithheld for tax18,944151,107Form 4
2026-05-15TNDMWithheld for tax3,044130,316Form 4
2026-05-15TNDMWithheld for tax2,785127,378Form 4
2026-05-15TNDMAward / grant1,336152,443Form 4
2026-05-15TNDMOption exercise5,4720Form 4
2026-05-15TNDMOption exercise39,73579,471Form 4
2026-05-15TNDMOption exercise39,735170,051Form 4
2026-05-15TNDMOption exercise5,982133,360Form 4
2026-05-15TNDMOption exercise5,472130,163Form 4
2026-05-15TNDMOption exercise5,98223,929Form 4
2026-02-17TNDMWithheld for tax2,400124,691Form 4
2026-02-17TNDMWithheld for tax1,963121,108Form 4
2026-02-17TNDMOption exercise5,471123,071Form 4
2026-02-17TNDMOption exercise5,4715,472Form 4
2026-02-17TNDMOption exercise5,98329,911Form 4
2026-02-17TNDMOption exercise5,983127,091Form 4
2025-11-17TNDMWithheld for tax3,038117,600Form 4
2025-11-17TNDMWithheld for tax2,779114,656Form 4
2025-11-17TNDMOption exercise5,472117,435Form 4
2025-11-17TNDMOption exercise5,98235,894Form 4
2025-11-17TNDMOption exercise5,47210,943Form 4
2025-11-17TNDMOption exercise5,982120,638Form 4
2025-08-15TNDMWithheld for tax3,038111,963Form 4
2025-08-15TNDMWithheld for tax2,779109,019Form 4
2025-08-15TNDMOption exercise5,982115,001Form 4
2025-08-15TNDMOption exercise5,471111,798Form 4
2025-08-15TNDMOption exercise5,47116,415Form 4
2025-08-15TNDMOption exercise5,98241,876Form 4
2025-05-30TNDMAward / grant119,206119,206Form 4
2025-05-30TNDMAward / grant119,204119,204Form 4
2025-05-15TNDMWithheld for tax12,15296,327Form 4
2025-05-15TNDMOption exercise5,47287,329Form 4
2025-05-15TNDMWithheld for tax2,77984,550Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.